appropriate vs assume

appropriate

verb
  • To take to oneself; to claim or use, especially as by an exclusive right. 

  • To set apart for, or assign to, a particular person or use, especially in exclusion of all others; with to or for. 

  • To annex (for example a benefice, to a spiritual corporation, as its property). 

adj
  • Suitable or fit; proper. 

  • Suitable to the social situation or to social respect or social discreetness; socially correct; socially discreet; well-mannered; proper. 

assume

verb
  • To adopt a feigned quality or manner; to claim without right; to arrogate 

  • To receive, adopt (a person) 

  • To authenticate by means of belief; to surmise; to suppose to be true, especially without proof 

  • To take on a position, duty or form 

  • To adopt (an idea or cause) 

How often have the words appropriate and assume occurred in a corpus of books? (source: Google Ngram Viewer )